Homeless Poeple:

There has not been a fully comprehensive count of the numbers of homeless since the U.N. report in 2005. No one really knows just how many people do not have any permanent place to call their own. It is estimated that there could be as many as another 100 million hidden homeless in the world, bringing the conservative estimate of the total population of homeless to 200 million.
Read more: How Many Homeless People Are There in the World? | eHow.com http://www.ehow.com/about_4613180_many-homeless-people-there-world.html#ixzz1Iw4qzTa2

How Many Dogs:

44.8 Million people in the United States have at least one dog as a pet. There are 74.8 million dogs owned total. This is for the United States, Not the world.
In lots of third world countries dogs are seen differently than here. More as a commercial product, food, fur, breeding stock, labor. Even in some more advanced countries the very poor use dogs in this way, they have no choice. So to get an accurate count, the question you might be interested in asking is "how many people own dogs as personal or household pets in the world?" This might get the answer you are looking.
Read more: http://wiki.answers.com/Q/How_many_people_in_the_world_have_dogs#ixzz1Iw5Gjetx


Stolen Dogs:

Is one of the fastest growing crimes in the UK, resulting in 40,000 owners being robbed of their pets.
The worst areas for lost dogs-dog napping, covers Kent, Sussex and Surrey, where about 500 animals have gone missing in the past year.
Thieves sometimes demand thousands of pounds for the return of a stolen dog. Ransoms used to be about £200, now £1,000 is common and one owner was recently asked for £8,000.
Ruthless thieves have threatened to cut dogs to pieces, or pull out their claws to increase the pressure on owners. In a recent case the thief tried to remove an ID chip implanted under the dog's skin with a potato peeler.
Thieves also steal pedigree dogs for breeding purposes to profit from their crime.
Read more: http://www.home-security-action.co.uk/lost-dogs-dog-knapping.html